CN106229947B - Onboard power system intelligent monitoring terminal - Google Patents
Onboard power system intelligent monitoring terminal Download PDFInfo
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- CN106229947B CN106229947B CN201610651557.0A CN201610651557A CN106229947B CN 106229947 B CN106229947 B CN 106229947B CN 201610651557 A CN201610651557 A CN 201610651557A CN 106229947 B CN106229947 B CN 106229947B
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- power
- processor
- supply
- power supply
- intelligent monitoring
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention provides a kind of onboard power system intelligent monitoring terminal, including processor, power input interface, power supply, the road n supply access and n power output interface；Power supply output end passes through corresponding supply access respectively and is connected to corresponding power output interface；Each supply access is serially connected with current sensor and relay control switch；Current sensor is connected to the input terminal of processor by AD converter；The output end of processor is connected to relay control switch by relay drive circuit.Advantage are as follows: the electric power thus supplied of each class of electronic devices can be monitored in real time, when monitoring the failure of some supply access, the power electronic equipment access of timely disengagement failure, it prevents external electronic equipment from causing Vehicular power system to be caused danger because of equipment of itself failure, improves the safety of power electronic equipment.
Description
Technical field
The invention belongs to field of intelligent transportation technology, and in particular to a kind of onboard power system intelligent monitoring terminal.
Background technique
Transportation industry intelligence degree increasingly improves, and the electronic equipment in bus is more and more, for example, DVR, LED screen,
LCD indicator, stand section board, passenger flow statistics instrument etc., above-mentioned electronic equipment depend on interior power bus power supply.
However, in the implementation of the present invention, inventors have found that the existing technology has at least the following problems:
When interior power bus is to each power electronic equipment, when the failure problems such as short circuit occur for electronic equipment, easily
The power supply of car body itself is caused to break down, when serious, the great danger such as short circuit, kindling occur for the power supply for even resulting in car body itself
Dangerous accident, to threaten people's life or bring certain property loss.It is current as it can be seen that how effectively to solve the above problems
Thing in the urgent need to address.
Summary of the invention
In view of the defects existing in the prior art, the present invention provides a kind of onboard power system intelligent monitoring terminal, can be effective
It solves the above problems.
The technical solution adopted by the invention is as follows:
The present invention provides a kind of onboard power system intelligent monitoring terminal, including processor, power input interface, power supply electricity
Source, the road n supply access and n power output interface；Wherein, n is natural number；
One end of the power input interface with vehicle power supply bus for connecting, the other end of the power input interface
It is connected to the input terminal of the power supply, the power supply is configured with n+1 power supply output end and 1 signal output end,
Wherein 1 power supply output end is connected to the feeder ear of the processor, for powering for the processor；The signal output end
Be connected to the signal transmission end of the processor by signal transmission cable, the processor by the signal transmission cable with
The power supply communication, and then detect the type of the power supply；In addition n output end passes through the corresponding confession respectively
Electric pathway is connected to the corresponding power output interface；Wherein, the power output interface is used to connect with interior electronic equipment
It connects；Each supply access is serially connected with current sensor and relay control switch；The current sensor is turned by AD
Parallel operation is connected to the input terminal of the processor；The output end of the processor by relay drive circuit be connected to it is described after
Electric control switch.
Preferably, the processor is CPU；The power supply is ups power.
It preferably, further include communication interface；
The processor is connected to vehicle-mounted machine by the communication interface.
Preferably, the communication interface includes 232 communication interfaces, 485 communication interfaces and/or network interface.
It preferably, further include USB interface；
The processor is connected to display screen by the USB interface.
It preferably, further include positioning indicator；The positioning indicator is connected to the processor.
Preferably, the positioning indicator is LED light or level signal indicator.
Onboard power system intelligent monitoring terminal provided by the invention has the advantage that
The electric power thus supplied that each class of electronic devices can be monitored in real time, when monitoring the failure of some supply access, in time
The power electronic equipment access of disengagement failure prevents external electronic equipment from leading to Vehicular power system because of equipment of itself failure
It causes danger, improves the safety of power electronic equipment.
Detailed description of the invention
Fig. 1 is the principle schematic diagram of onboard power system intelligent monitoring terminal provided by the invention；
Fig. 2 is the external cabling schematic diagram of onboard power system intelligent monitoring terminal provided by the invention.
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein only to
It explains the present invention, is not intended to limit the present invention.
The present invention provides a kind of onboard power system intelligent monitoring terminal, vehicle configuration this onboard power system intelligent monitoring
It after terminal, is powered by interior power bus to intelligent monitoring terminal, intelligent monitoring terminal passes through supply access to vehicle respectively again
Interior each electronic equipment provides electric power, meanwhile, during providing power supply, this intelligent monitoring terminal can monitor each electron-like in real time
The power consumption condition of equipment can also monitor the electric power thus supplied of each supply access in real time, for example, supply current, supply voltage etc.；When
When monitoring the failure of some supply access, for example, when short circuit, overcurrent, overload situations occurs, the electronics of timely disengagement failure
Equipment supply access prevents external electronic equipment from causing Vehicular power system to be caused danger because of equipment of itself failure, improves
The safety of power electronic equipment.
Specifically, onboard power system intelligent monitoring terminal provided by the invention combined with Figure 1 and Figure 2, including processor,
Power input interface, power supply, the road n supply access and n power output interface；Wherein, n is natural number, the specific number of n
Measure flexible setting according to actual needs.
For connecting with vehicle power supply bus, the other end of power input interface is connected to confession for one end of power input interface
The input terminal of power supply, power supply is configured with n+1 power supply output end and 1 signal output end, wherein 1 power supply output end
It is connected to the feeder ear of the processor, for powering for processor；Signal output end is connected everywhere by signal transmission cable
The signal transmission end of device is managed, processor is communicated by signal transmission cable with power supply, and then detects the type of power supply,
Herein, the type of power supply includes but is not limited to vehicle power supply, in-vehicle secondary battery power supply etc.；In addition n output end leads to respectively
It crosses the corresponding supply access and is connected to the corresponding power output interface；Wherein, power output interface is used for and car
Electronic equipment connection；Each supply access is serially connected with current sensor and relay control switch；Current sensor passes through AD
Converter is connected to the input terminal of processor；The output end of processor is connected to relay control by relay drive circuit and opens
It closes.
Its working principle is that:
Current-voltage signal of the AD converter for opposite each electronic equipment to provide is sampled, and digital signal is transformed into
Afterwards, output is to processor.The current-voltage value of processor real-time sampling difference supply access, when certain supply access of discovery
When electric current exceeds threshold value or when load voltage is pulled down to some monitoring threshold, the relay of the supply access is controlled in time
Movement, thus supply of cutting off the power.
In practical application, CPU realization is can be used in processor.
On the basis of above structure, the present invention also carries out following improve:
Improvement 1: communication interface
It further include communication interface；Processor is connected to vehicle-mounted machine by communication interface.There are many intelligent monitoring terminal configurations
Communication interface, including but not limited to 232 communication interfaces, 485 communication interfaces and/or network interface, can according to the specific requirements of vehicle-mounted machine,
Using different communication interfaces, interconnection and the state reporting of intelligent monitoring terminal and vehicle-mounted machine are completed.
Therefore, intelligent monitoring terminal reports the power consumption condition of current electronic device by communication interface to vehicle-mounted machine in real time.
When intelligent monitoring terminal detects external electronic device abnormal electrical power supply, abnormal conditions can be reported in time by communication interface
To vehicle-mounted machine, fault point timely for driver, accurate ensures the Electrical Safety of vehicle system.
Improvement 2: positioning indicator
It further include positioning indicator；Positioning indicator is connect with processor.Positioning indicator includes but is not limited to LED indication
Lamp or level signal indicator.
Therefore, it when intelligent monitoring terminal detects external electronic device abnormal electrical power supply, can be provided by positioning indicator
Abnormal prompt, fault point timely for driver, accurate, ensures the Electrical Safety of vehicle system.
Improvement 3: power supply
In the present invention, intelligent monitoring terminal uses the UPS of one piece of 24V, 2000mAH, always inputs as system power supply.It is vehicle-mounted
Bus power source initially enters UPS, and UPS has good noise suppressed to act on vehicle body power-supply system, can effectively filter out vehicle driving
High-frequency impulse in the process provides stable 24V output for the load of vehicle periphery.
In addition, UPS can provide the electricity in short-term before failure also when vehicle trouble, non-transformer output for external electronic device
Source supply, before guaranteeing that failure occurs, DVR can record several minutes of video data, for fault diagnosis, scene reduction.
CPU can also collect the power supply state of current vehicle bus from the side UPS.When vehicle bus is out of power, equipment relies on UPS
When power supply, equipment can indicate current power supply source by positioning indicator.Indicating mode can pass through LED light
Or level signal.
Improve 4:VGA interface
It further include USB interface；Processor is connected to display screen by USB interface.Display screen can show for large-size screen monitors LCD
Device, intelligent monitoring terminal can over the display, the load power consumption condition of each supply access of real-time display.When there is alarm to occur,
It can be shown on LCD in time, and driver, operation maintenance personnel are reminded by sound etc..
Certainly, in practical application, the upper operating system firmware of CPU, in operation, also support real-time logs storage.In log
Hold include each electronic equipment power consumption condition in different time points, each electronic equipment with electrical fault conditions, failure occur when
Between put etc. contents.Journal file can also export, and further analyze for operation maintenance personnel.
It can be seen that onboard power system intelligent monitoring terminal provided by the invention has the advantage that
The electric power thus supplied that each class of electronic devices can be monitored in real time, when monitoring the failure of some supply access, in time
The power electronic equipment access of disengagement failure prevents external electronic equipment from leading to Vehicular power system because of equipment of itself failure
It causes danger, improves the safety of power electronic equipment.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
Depending on protection scope of the present invention.
Claims (5)
1. a kind of onboard power system intelligent monitoring terminal, which is characterized in that the intelligent monitoring of vehicle configuration onboard power system is whole
It behind end, is powered by interior power bus to intelligent monitoring terminal, intelligent monitoring terminal passes through supply access to car respectively again
Each electronic equipment provides electric power, meanwhile, during providing power supply, this intelligent monitoring terminal monitors each class of electronic devices in real time
Power consumption condition, also monitor the electric power thus supplied of each supply access, including supply current, supply voltage in real time；When monitoring certain
When a supply access breaks down, including when generation short circuit, overcurrent, overload situations, the power electronic equipment of timely disengagement failure
Access prevents external electronic equipment from causing Vehicular power system to be caused danger because of equipment of itself failure, improves electronic equipment
The safety of power supply；Onboard power system intelligent monitoring terminal includes processor, power input interface, power supply, the power supply of the road n
Access and n power output interface；Wherein, n is natural number；
One end of the power input interface with vehicle power supply bus for connecting, the other end connection of the power input interface
To the input terminal of the power supply, the power supply is configured with n+1 power supply output end and 1 signal output end, wherein 1
A power supply output end is connected to the feeder ear of the processor, for powering for the processor；The signal output end passes through
Signal transmission cable is connected to the signal transmission end of the processor, the processor by the signal transmission cable with it is described
Power supply communication, and then detect the type of the power supply；In addition it is logical to pass through the corresponding power supply respectively for n output end
Road is connected to the corresponding power output interface；Wherein, the power output interface with interior electronic equipment for connecting；Often
A supply access is serially connected with current sensor and relay control switch；The current sensor is connected by AD converter
It is connected to the input terminal of the processor；The output end of the processor is connected to the relay control by relay drive circuit
System switch；
The processor is CPU；The power supply is ups power；
Its working principle is that:
Current-voltage signal of the AD converter for opposite each electronic equipment to provide is sampled, defeated after being transformed into digital signal
Out to processor, the current-voltage value of processor real-time sampling difference supply access, when the electric current for finding certain supply access is super
Out when threshold value or when load voltage is pulled down to some monitoring threshold, the actuating of relay of the supply access is controlled in time, from
And supply of cutting off the power；
The upper operating system firmware of CPU, in operation, also support real-time logs storage, log content includes each electronic equipment not
Power consumption condition, the time point content of each electronic equipment occurred with electrical fault conditions, failure with time point；Journal file is led
Out, it is further analyzed for operation maintenance personnel；
It further include communication interface；
The processor is connected to vehicle-mounted machine by the communication interface.
2. onboard power system intelligent monitoring terminal according to claim 1, which is characterized in that the communication interface includes
232 communication interfaces, 485 communication interfaces and/or network interface.
3. onboard power system intelligent monitoring terminal according to claim 1, which is characterized in that further include USB interface；
The processor is connected to display screen by the USB interface.
4. onboard power system intelligent monitoring terminal according to claim 1, which is characterized in that further include state instruction
Device；The positioning indicator is connected to the processor.
5. onboard power system intelligent monitoring terminal according to claim 4, which is characterized in that the positioning indicator is
LED light or level signal indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610651557.0A CN106229947B (en) | 2016-08-10 | 2016-08-10 | Onboard power system intelligent monitoring terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610651557.0A CN106229947B (en) | 2016-08-10 | 2016-08-10 | Onboard power system intelligent monitoring terminal |
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| Publication Number | Publication Date |
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| CN106229947A CN106229947A (en) | 2016-12-14 |
| CN106229947B true CN106229947B (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610651557.0A Active CN106229947B (en) | 2016-08-10 | 2016-08-10 | Onboard power system intelligent monitoring terminal |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229947B (en) * | 2016-08-10 | 2018-12-11 | 华录智达科技有限公司 | Onboard power system intelligent monitoring terminal |
| CN112379148B (en) * | 2021-01-15 | 2021-04-13 | 智道网联科技(北京)有限公司 | Current detection system and method for intelligent vehicle-mounted networking terminal |
Citations (6)
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|---|---|---|---|---|
| CN1700620A (en) * | 2004-05-20 | 2005-11-23 | 沈阳东大信息技术有限公司 | Remote complex monitored wireless communication adapter |
| CN2891428Y (en) * | 2006-03-02 | 2007-04-18 | 扬州市保视通电子有限公司 | Power supply unit |
| CN203180486U (en) * | 2013-01-29 | 2013-09-04 | 中国人民解放军重庆通信学院 | Direct-current output overload intelligent protective device of vehicle power supply |
| CN203850565U (en) * | 2014-01-28 | 2014-09-24 | 兰州商学院 | Intelligent power socket |
| CN105790237A (en) * | 2016-04-18 | 2016-07-20 | 国网山东省电力公司郓城县供电公司 | Power supply line microcomputer relay protection device |
| CN106229947A (en) * | 2016-08-10 | 2016-12-14 | 华录智达科技有限公司 | Onboard power system intelligent monitoring terminal |
-
2016
- 2016-08-10 CN CN201610651557.0A patent/CN106229947B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1700620A (en) * | 2004-05-20 | 2005-11-23 | 沈阳东大信息技术有限公司 | Remote complex monitored wireless communication adapter |
| CN2891428Y (en) * | 2006-03-02 | 2007-04-18 | 扬州市保视通电子有限公司 | Power supply unit |
| CN203180486U (en) * | 2013-01-29 | 2013-09-04 | 中国人民解放军重庆通信学院 | Direct-current output overload intelligent protective device of vehicle power supply |
| CN203850565U (en) * | 2014-01-28 | 2014-09-24 | 兰州商学院 | Intelligent power socket |
| CN105790237A (en) * | 2016-04-18 | 2016-07-20 | 国网山东省电力公司郓城县供电公司 | Power supply line microcomputer relay protection device |
| CN106229947A (en) * | 2016-08-10 | 2016-12-14 | 华录智达科技有限公司 | Onboard power system intelligent monitoring terminal |
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| CN106229947A (en) | 2016-12-14 |
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Inventor after: Zhang Shiqiang Inventor after: Sun Hongfei Inventor after: Li Baizhan Inventor after: Luan Feng Inventor after: Hao Jian Inventor before: Zhang Shiqiang Inventor before: Sun Hongfei Inventor before: Li Baizhan Inventor before: Zhan Telun Inventor before: Luan Feng |
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Address after: 14 / F, Hualu building, 717 Huangpu Road, Dalian hi tech Industrial Park, Liaoning 116000 Patentee after: Hualu Zhida Technology Co.,Ltd. Address before: 116023 14 / F, Hualu building, 717 Huangpu Road, Dalian hi tech Industrial Park, Liaoning Province Patentee before: HUALU ZHIDA TECHNOLOGY Co.,Ltd. |
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Address after: 14 / F, Hualu building, 717 Huangpu Road, Dalian hi tech Industrial Park, Liaoning 116000 Patentee after: Hualu Zhida Technology Co.,Ltd. Address before: 14 / F, Hualu building, 717 Huangpu Road, Dalian hi tech Industrial Park, Liaoning 116000 Patentee before: Hualu Zhida Technology Co.,Ltd. |